TOP ( # IOs are ordered from left to right
   (IOPIN ck.0 );
   (IOPIN reset.0 );
   (IOPIN empty.0 );
   (IOPIN full.0 );
   (IOPIN a(7).0 );
   (IOPIN a(6).0 );
   (IOPIN a(5).0 );
   (IOPIN a(4).0 );
   (IOPIN a(3).0 );
   (IOPIN a(2).0 );
   (IOPIN a(1).0 );
   (IOPIN a(0).0 );
   (IOPIN b(7).0 );
   (IOPIN b(6).0 );
   (IOPIN b(5).0 );
   (IOPIN b(4).0 );
   (IOPIN b(3).0 );
   (IOPIN b(2).0 );
   (IOPIN b(1).0 );
   (IOPIN b(0).0 );
)
BOTTOM ( # IOs are ordered from left to right
   (IOPIN res(7).0 );
   (IOPIN res(6).0 );
   (IOPIN res(5).0 );
   (IOPIN res(4).0 );
   (IOPIN res(3).0 );
   (IOPIN res(2).0 );
   (IOPIN res(1).0 );
   (IOPIN res(0).0 );
   (IOPIN s_read.0 );
   (IOPIN s_write.0 );
)
IGNORE ( # IOs are ignored(not placed) by IO Placer
)